/**
 * Copyright (C) 2011 Whisper Systems
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package com.appspot.eusms.mms;

import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.net.Uri;
import android.view.View;
import android.widget.Button;
import android.widget.ImageView;

import com.appspot.eusms.util.BitmapDecodingException;

import com.appspot.eusms.R;

import java.io.IOException;

public class AttachmentManager {

    private final Context context;
    private final View attachmentView;
    private final ImageView thumbnail;
    private final Button removeButton;
    private final SlideDeck slideDeck;

    public AttachmentManager(Activity view) {
        this.attachmentView = (View) view.findViewById(R.id.attachment_editor);
        this.thumbnail = (ImageView) view.findViewById(R.id.attachment_thumbnail);
        this.removeButton = (Button) view.findViewById(R.id.remove_image_button);
        this.slideDeck = new SlideDeck();
        this.context = view;

        this.removeButton.setOnClickListener(new RemoveButtonListener());
    }

    public void clear() {
        slideDeck.clear();
        attachmentView.setVisibility(View.GONE);
    }

    public void setImage(Uri image) throws IOException, BitmapDecodingException {
        ImageSlide slide = new ImageSlide(context, image);
        slideDeck.addSlide(slide);
        thumbnail.setImageDrawable(slide.getThumbnail(345, 261));
        attachmentView.setVisibility(View.VISIBLE);
    }

    public void setVideo(Uri video) throws IOException, MediaTooLargeException {
        VideoSlide slide = new VideoSlide(context, video);
        slideDeck.addSlide(slide);
        thumbnail.setImageDrawable(slide.getThumbnail(thumbnail.getWidth(), thumbnail.getHeight()));
        attachmentView.setVisibility(View.VISIBLE);
    }

    public void setAudio(Uri audio) throws IOException, MediaTooLargeException {
        AudioSlide slide = new AudioSlide(context, audio);
        slideDeck.addSlide(slide);
        thumbnail.setImageDrawable(slide.getThumbnail(thumbnail.getWidth(), thumbnail.getHeight()));
        attachmentView.setVisibility(View.VISIBLE);
    }

    public boolean isAttachmentPresent() {
        return attachmentView.getVisibility() == View.VISIBLE;
    }

    public SlideDeck getSlideDeck() {
        return slideDeck;
    }

    public static void selectVideo(Activity activity, int requestCode) {
        selectMediaType(activity, "video/*", requestCode);
    }

    public static void selectImage(Activity activity, int requestCode) {
        selectMediaType(activity, "image/*", requestCode);
    }

    public static void selectAudio(Activity activity, int requestCode) {
        selectMediaType(activity, "audio/*", requestCode);
    }

    private static void selectMediaType(Activity activity, String type, int requestCode) {
        Intent intent = new Intent(Intent.ACTION_GET_CONTENT);
        intent.setType(type);
        activity.startActivityForResult(intent, requestCode);
    }

    private class RemoveButtonListener implements View.OnClickListener {
        @Override
        public void onClick(View v) {
            clear();
        }
    }

}
